package com.stlm2.util;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import javax.imageio.ImageIO;

/**
 * Author：fuchunyu
 * Date：2017/8/9
 * Description：添加logo
 */
public class LogoConfig {

    /**
     * 设置 logo
     * @param matrixImage 源二维码图片
     * @return 返回带有logo的二维码图片
     * @throws IOException
     * @author fuchunyu
     */
    public BufferedImage LogoMatrix(BufferedImage matrixImage,String avotorr) throws IOException{
        /**
         * 读取二维码图片，并构建绘图对象
         */
        Graphics2D g2 = matrixImage.createGraphics();

        int matrixWidth = matrixImage.getWidth();
        int matrixHeigh = matrixImage.getHeight();

        /**
         * 读取Logo图片
         */

        BufferedImage logo = ImageIO.read(new URL(avotorr));

        //开始绘制图片
        g2.drawImage(logo,matrixWidth/5*2,matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5, null);//绘制
        BasicStroke stroke = new BasicStroke(5,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND);
        g2.setStroke(stroke);// 设置笔画对象
        //指定弧度的圆角矩形
        RoundRectangle2D.Float round = new RoundRectangle2D.Float(matrixWidth/5*2-3, matrixHeigh/5*2-1, matrixWidth/5+3, matrixHeigh/5+3,20,20);
        g2.setColor(Color.white);
        g2.draw(round);// 绘制圆弧矩形

        //设置logo 有一道灰色边框
        //BasicStroke stroke2 = new BasicStroke(1,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND);
        //g2.setStroke(stroke2);// 设置笔画对象
        //RoundRectangle2D.Float round2 = new RoundRectangle2D.Float(matrixWidth/5*2+2, matrixHeigh/5*2+2, matrixWidth/5-4, matrixHeigh/5-4,20,20);
        //g2.setColor(new Color(128,128,128));
        //g2.draw(round2);// 绘制圆弧矩形

        g2.dispose();
        matrixImage.flush() ;
        return matrixImage ;
    }
}
